Two physicists have unveiled a new theorem asking the world to choose between a famous physicist or 20th centuryís most successful description of nature. Charu Sudan Kasturi and G.S. Mudur report

A problem that has flummoxed physicists for some 40 years has just turned nastier. At least two generations of them have been struggling to come to terms with a scary possibility ó that information can be lost forever. It isnít like a worm cleaning out computer files or a teenage love note bein... | Read..